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Finding the Fourth Proportional to 423,087.57, 583,850.70 and 232,099.29

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Solution

The fourth proportional to 423,087.57, 583,850.70 and 232,099.29 is: 320,291.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,087.57 : 583,850.70 = 232,099.29 : x
  2. Step 2: Convert to fraction form
    423,087.57/583,850.70 = 232,099.29/x
  3. Step 3: Cross multiply
    423,087.57x = 583,850.70 × 232,099.29
  4. Step 4: Simplify right side
    423,087.57x = 135,511,332,936.00
  5. Step 5: Solve for x
    x = 135,511,332,936.00/423,087.57
  6. Step 6: Final answer
    x = 320,291.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.